package com.daye.homework.servlet;


import com.daye.homework.bean.Class;
import com.daye.homework.factory.AdminServiceFactory;
import com.daye.homework.service.AdminService;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.sql.SQLException;
import java.util.List;

@WebServlet(name = "QueryClassServlet" , urlPatterns = "/queryClass")
public class QueryClassServlet extends HttpServlet {
    private AdminService adminService = AdminServiceFactory.getAdminService();

    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("UTF-8");
        response.setContentType("text/html;charset=UTF-8");

        try {
            //拿到班级List
            List<Class> classList = adminService.getAllClass();

             request.setAttribute("banjiList" , classList);
            // request.setAttribute("haha" , "haha");
            request.getRequestDispatcher("classListPage.jsp").forward(request , response);
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doPost(request, response);
    }
}
